998,140
998,140 is a composite number, even.
998,140 (nine hundred ninety-eight thousand one hundred forty) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2² × 5 × 11 × 13 × 349. Its proper divisors sum to 1,471,460, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3AFC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 31
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 41,899
- Square (n²)
- 996,283,459,600
- Cube (n³)
- 994,430,372,365,144,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 2,469,600
- φ(n) — Euler's totient
- 334,080
- Sum of prime factors
- 382
Primality
Prime factorization: 2 2 × 5 × 11 × 13 × 349
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,140 = [999; (14, 2, 1, 2, 38, 1, 4, 7, 2, 1, 2, 1, 1, 3, 5, 28, 1, 3, 3, 55, 5, 10, 1, 5, …)]
Representations
- In words
- nine hundred ninety-eight thousand one hundred forty
- Ordinal
- 998140th
- Binary
- 11110011101011111100
- Octal
- 3635374
- Hexadecimal
- 0xF3AFC
- Base64
- Dzr8
- One's complement
- 4,293,969,155 (32-bit)
- Scientific notation
- 9.9814 × 10⁵
- As a duration
- 998,140 s = 11 days, 13 hours, 15 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ϡϟηρμʹ
- Chinese
- 九十九萬八千一百四十
- Chinese (financial)
- 玖拾玖萬捌仟壹佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 998140, here are decompositions:
- 23 + 998117 = 998140
- 29 + 998111 = 998140
- 71 + 998069 = 998140
- 113 + 998027 = 998140
- 131 + 998009 = 998140
- 149 + 997991 = 998140
- 167 + 997973 = 998140
- 179 + 997961 = 998140
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.58.252.
- Address
- 0.15.58.252
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.58.252
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 998,140 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 998140 first appears in π at position 85,863 of the decimal expansion (the 85,863ordinal-suffix:rd digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.